Cita APA (7th ed.)

Grayling, A. C., & Ansen, R. <. Wittgenstein. Herder.

Cita Chicago (17th ed.)

Grayling, A. C., i Rainer <dt> Ansen. Wittgenstein. Freiburg: Herder.

Cita MLA (8th ed.)

Grayling, A. C., i Rainer <dt> Ansen. Wittgenstein. Herder.